How to realize the Code of php Lucky turntable

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Php lucky turntable implementation method: 1, create a PHP example file; 2, through the code "function get_gift () {...}" to achieve the big turntable lottery algorithm.

This article operating environment: Windows7 system, PHP7.4 version, Dell G3 computer.

How to realize the code of php lucky turntable?

PHP realizes the lottery algorithm of large turntable

Code:

Function get_gift () {/ / assemble award array / / award id, prize Probabilities $prize_arr = array ('0' = > array ('id'= > 1graded priority = >' tablet', 'vault = > 0),' 1' = > array ('id'= > 2reign primer = >' digital camera', 'vault = > 1),' 2' = > array ('id'= > 3prizekeeper = >' speaker device', 'vault = > 1) '3' = > array (' id'= > 4 camera prizecards = > 4G flash drive', 'vault = > 1),' 4' = > array ('id'= > 5 camera prizecards = >' 10Q coins', 'vicious = > 1),' 5' = > array ('id'= > 6 prizecards = >' empty prizes', 'vests = > 6),) Foreach ($prize_arr as $key = > $val) {$arr [$val ['id']] = $val [' v']; / probability array} $rid = get_rand ($arr); / / id $res ['yes'] = $prize_arr [$rid-1] [' prize']; / / winning award unset ($prize_arr [$rid-1]) / / remove the winning prize from the array, leaving the unwon prize shuffle ($prize_arr); / / disrupt the array order for ($item0) / proCur) {$randNum = mt_rand (1, $proSum); / / return a random integer if ($randNum)